General Rameauite Information![]() K2CaU++++++6O20•9(H2O) |
![]() Molecular Weight = 2,028.57 gm |
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Potassium 3.85 % K 4.64 % K2O |
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Calcium 1.98 % Ca 2.76 % CaO |
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Uranium 70.40 % U 84.60 % UO3 |
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Hydrogen 0.89 % H 7.99 % H2O |
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Oxygen 22.87 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
![]() K2CaU6O20•9(H2O) |
![]() On pitchblende. |
![]() Approved IMA 1972 |
![]() Margnac uranium deposit, Haute Vienne, Massif Central, France. Link to MinDat.org Location Data. |
![]() Named for Jacques Rameau (1926-1960), French prospector who discovered the deposit where the mineral occurs. |
![]() Rameauite + Pronunciation |
![]() | | Rameauite Image
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Rameauite Crystallography![]() a:b:c =0.9796:1:0.9971 |
![]() a = 13.97, b = 14.26, c = 14.22, Z = 4; beta = 121.02° V = 2,427.67 Den(Calc)= 5.55 |
![]() MonoclinicSpace Group: C 2/c,Cc |
![]() By Intensity(I/Io): 3.319(1), 3.495(1), 7.12(1), |
| Physical Properties of Rameauite![]() {010} Good |
![]() Orange. |
![]() 5.6 |
![]() Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
![]() Pseudo Hexagonal - Crystals show a hexagonal outline. |
| Optical Properties of Rameauite![]() CI meas= -0.208 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.219 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.173,KPDmeas= 0.1714,KC= 0.1419 Ncalc = 1.79 ![]() Biaxial (?), b=1.95, g=1.97, , 2V(Meas)=32. |
| Calculated Properties of Rameauite![]() Bulk Density (Electron Density)=4.75 gm/cc |
note: Specific Gravity of Rameauite =5.60 gm/cc. ![]() Fermion Index = 0.0052114308 |
Boson Index = 0.9947885692 ![]() PERameauite =1,884.57 barns/electron |
U=PERameauite x relectron=8,948.23 barns/cc. ![]() |
GRapi = 5,088,217.22 (Gamma Ray American Petroleum Institute Units)
Rameauite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram. Estimated Maximum U.S. Postal Shipping Size
(10 mRem/hr limit, Unshielded 10 cm box)
5.98 ± 1.49 grams of pure Rameauite .
Weight of pure Rameauite in grams (gm) and Calculated Diameter of a Sphere with a Density of 5.60 gm/cc.* | Rameauite Classification![]() 05.05.02.01 (05)Oxides Containing Uranium and Thorium |
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(05.05)with alkaline and alkaline-earth elements (hydrated) |
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(05.05.02)Dana Group |
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![]() 04.GB.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.G - Uranyl Hydroxides |
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04.GB -With additional cations (K, Ca, Ba, Pb, etc.); with mainly UO2(O,OH)5 pentagonal polyhedra |
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| Other Rameauite Information![]() NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) |
![]() Links to other databases for Rameauite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - Uranium Minerals Search for Rameauite using: Visit our Advertisers for Rameauite : A Bijoux Google Search for RameauiteAdam's Minerals Google Search for Rameauite Cape Minerals Google Search for Rameauite Dakota Matrix Minerals Google Search for Rameauite Excalibur Mineral Corp. Google Search for Rameauite Exceptional Minerals Google Search for Rameauite John Betts Fine Minerals Search for Rameauite McDougall Minerals Google Search for Rameauite Mineral News Website Link Rock and Mineral Shows Google Search for Rameauite Weinrich Minerals, Inc. Google Search for Rameauite Ask about Rameauite here : Print or Cut-and-Paste your Rameauite Specimen Label here :
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